Built on integrity.
Costello Construction is a full-service contracting service based in Nashville, Tennessee — with an unlimited license and ready for projects of any scale.
Start your projectOne team, any scale.
From whole-home transformations and expansive outdoor living to commercial tenant improvements, ground-up builds, and healthcare work, Costello Construction holds an unlimited Tennessee contractor license — which means there’s no job too big for our team. We manage every trade, every phase, and every detail, so you deal with one accountable builder from groundbreaking to final walkthrough.
Years of combined experience behind every project
They are a family business and honest gentlemen, which is rare in this industry. They are very easy to work with and communicate very well with us to make sure everything we need and that our design ideas are met, even to the smallest detail.
Project spotlight.
Forest Hills
Estate pool, pool house, stone terraces & outdoor living
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Iroquois
Whole-home renovation
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Hillsboro
Custom residential
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Close Ln
Kitchen & bath renovation
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Thanks for the amazing job on my house after the fire. I’ve been home 3 weeks and am amazed everyday at the transformation. Great job!
What we do
Custom Homes & Large Renovations
Ground-up builds and full-scope residential projects, managed end to end.
Additions & Outdoor Living
Pools, pool houses, terraces, and major additions built as one accountable project.
Commercial Construction
Tenant improvement, ground-up, and healthcare — office, retail, hospitality, and hospital spaces built on schedule, with minimal downtime.
Architect & designer connections
We work closely with trusted architects and designers across the Nashville area — we’ll point you to the right fit for your project.
Thank you Gil Costello & Costello Construction, LLC for being the very BEST & making our space beautiful!! How did we get SO lucky?!?!!!
Experience that runs in the family.
Costello Construction is a family business, and the experience behind it runs deep: Tim brings over 40 years in construction, Gil has 20 years professionally after growing up in the trade, Tyler has 10 years across construction and property management, and Luke has five years as a project manager after growing up in it too. That’s the crew standing behind every project we take on.
The people who show up.
Tim Costello
Owner
40+ years in construction
Gil Costello
CFO
20 years professionally — grew up in the trade
Tyler Stewart
Project Manager
10 years in construction & property management
Luke Costello
Project Manager
5 years as a project manager
Best Construction Company Ever.
Have a big project in mind? Let’s talk.
Tell us what you’re planning — we’ll bring the license, the team, and the accountability to build it at any scale. Reach the team directly: